unsigned int val;
int ret;
- ret = device_property_read_u32(dev, "cirrus,boost-type", &val);
- if (ret >= 0)
- hw_cfg->bst_type = val;
+ /* Some ACPI systems received the Shared Boost feature before the upstream driver,
+ * leaving those systems with deprecated _DSD properties.
+ * To correctly configure those systems add shared-boost-active and shared-boost-passive
+ * properties mapped to the correct value in boost-type.
+ * These two are not DT properties and should not be used in new systems designs.
+ */
+ if (device_property_read_bool(dev, "cirrus,shared-boost-active")) {
+ hw_cfg->bst_type = CS35L41_SHD_BOOST_ACTV;
+ } else if (device_property_read_bool(dev, "cirrus,shared-boost-passive")) {
+ hw_cfg->bst_type = CS35L41_SHD_BOOST_PASS;
+ } else {
+ ret = device_property_read_u32(dev, "cirrus,boost-type", &val);
+ if (ret >= 0)
+ hw_cfg->bst_type = val;
+ }
ret = device_property_read_u32(dev, "cirrus,boost-peak-milliamp", &val);
if (ret >= 0)